Physics, 12.12.2021 23:20, pramirez6994

A heat engine uses a heat source at 730°C and has an ideal (Carnot) efficiency of 26%. To increase the ideal efficiency to 41%, what must be the temperature (in °C) of the heat source?

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 06:00, jjgurl60

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

Answers: 2

continue

Physics, 22.06.2019 12:30, olsen6932

As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?

Answers: 1

continue

Physics, 22.06.2019 14:00, janreyes39

Explain why you think this diagram shows what happened to the carbon in the biodome.

Answers: 2

continue

Physics, 22.06.2019 19:00, ramjand7853

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m

Answers: 2

continue

Do you know the correct answer?

A heat engine uses a heat source at 730°C and has an ideal (Carnot) efficiency of 26%. To increase t...